Public
Berks County Public Libraries, Bethlehem Public Library, Cambria County Library, Carnegie Library of Pittsburgh, Chester County Library System, Darby Library, Dauphin County Library System, Degenstein Community Library, Delaware County Library System, Eastern Monroe Public Library
Pennsylvania Citizens for Better Libraries
Organization whose mission is to stimulate public and government awareness of the value of PA libraries as essential community services.
POWER Library Information Center
Access to online electronic resources for users of member school and public libraries in Pennsylvania.
State Library of Pennsylvania
Information about the library facility and collections in Harrisburg, services offered statewide, history of the institution, access to online collections, and links.